James M. Ortega - researchr alias

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Viewing Publication 1 - 13 from 13

1996

Segmentation of volumetric medical imagery using multiple geodesic-based active surfacesDavid J. Schlesinger, John W. Snell, Lois E. Mansfield, James R. Brookeman, James M. Ortega, Neal F. Kassell. miip 1996: [doi]

1995

Model-based boundary estimation of complex objects using hierarchical active surface templatesJohn W. Snell, Michael B. Merickel, James M. Ortega, John C. Goble, James R. Brookeman, Neal F. Kassell. PR, 28(10):1599-1609, 1995. [doi]

1993

Fast Solution of Nonlinear Poisson-Type EquationsBrett M. Averick, James M. Ortega. siamsc, 14(1):44-48, 1993. [doi]

1991

Orderings for Conjugate Gradient PreconditioningsJames M. Ortega. siamjo, 1(4):565-582, 1991. [doi]

1990

Efficient Polynomial Preconditioning for the Conjugate Gradient MethodStanley C. Eisenstat, James M. Ortega, Courtenay T. Vaughan. siamsc, 11(5):859-872, 1990. [doi]

1989

Multicoloring with lots of colorsD. L. Harrar, James M. Ortega. ics 1989: 1-6 [doi]

1988

Parallel solution of triangular systems of equationsCharles H. Romine, James M. Ortega. pc, 6(1):109-114, 1988. [doi]

1974

The heart of computer scienceNorman E. Gibbs, Donald W. Loveland, James M. Ortega. SIGCSE, 6(4):13-14, 1974. [doi]

Numerical analysis positionJames M. Ortega. SIGCSE, 6(3):86-87, 1974. [doi]

1970

Iterative solution of nonlinear equations in several variablesJames M. Ortega, Werner C. Rheinboldt. Computer science and applied mathematics, Academic Press, 1970.

1964

Generation of test matrices by similarity transformationsJames M. Ortega. CACM, 7(6):377-378, 1964. [doi]

1963

The LLT and QR methods for symmetric tridiagonal matricesJames M. Ortega, Henry F. Kaiser. cj, 6(1):99-101, 1963. [doi]

1960

On Sturm Sequences for Tridiagonal MatricesJames M. Ortega. JACM, 7(3):260-263, 1960. [doi]

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